Home / 17,538.80-26,279.40-14,601.20

Finding the Fourth Proportional to 17,538.80, 26,279.40 and 14,601.20

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Solution

The fourth proportional to 17,538.80, 26,279.40 and 14,601.20 is: 21,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.80 : 26,279.40 = 14,601.20 : x
  2. Step 2: Convert to fraction form
    17,538.80/26,279.40 = 14,601.20/x
  3. Step 3: Cross multiply
    17,538.80x = 26,279.40 × 14,601.20
  4. Step 4: Simplify right side
    17,538.80x = 383,710,775.28
  5. Step 5: Solve for x
    x = 383,710,775.28/17,538.80
  6. Step 6: Final answer
    x = 21,877.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.